The Box Two Alloy External Bottom Bracket is a great upgrade for your bottom bracket and will work with all 24mm spindles and frames with 68 or 73 x BC 1.37-inch bottom bracket shells. Featuring machines alloy cups and precision sealed bearings.
FEATURES
- Forged CNC-Machined Alloy Cups
- High-Impact Anodizing
- 24mm Outboard Bearings
- ABS Plastic Sleeve
- Precision Abec-5 Sealed Bearings
SPECIFICATION
- COMPATIBILITY: Box Three™, Box Four™, Shimano® HollowTech II, RaceFace® X-Type
- MATERIAL: 6061-T6 Aluminum
- SHELL WIDTH: 68mm/73mm
- SPINDLE TYPE: 24mm
- THREAD: 1.37 Inch x 24 TPI
- WEIGHT: 105 grams / 3.7 ounces













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